Mega MAC - Page 42

MAC/MTT-OPS-1
26 FEB 2019
SECTION 4
Normal Operations
4-5
4. Water Level – Drain to desired level.
Do not operate the water pump in a dry sump.
Dry operation will result in shaft seal damage.
Once operations are complete:
5. DRAIN Switch – OFF
6. PUMP Switch – OFF
Do not engage/disengage the water pump
above LOW IDLE. Engaging/disengaging the
water pump above low idle will result in water
pump component damage and reduced
service life.
7. Cab Control SYSTEM/POWER Switch – OFF
Hose Reel
1. Hose Nozzle – CLOSED
2. Hose – Deploy desired length.
3. Gate Valve – OPEN
4. Cab Control SYSTEM/POWER Switch – ON
5. PUMP Switch – ON
Do not engage/disengage the water pump
above LOW IDLE. Engaging/disengaging the
water pump above low idle will result in water
pump component damage and reduced
service life.
6. Vehicle RPM – SET
7. Hose Nozzle – OPEN as desired.
Once operations are complete:
8. Hose Nozzle – CLOSE
9. Vehicle RPM – LOW IDLE
10. PUMP Switch – OFF
Do not engage/disengage the water pump
above LOW IDLE. Engaging/disengaging the
water pump above low idle will result in water
pump component damage and reduced
service life.
11. (If Equipped) Cab Control SYSTEM/POWER
Switch- OFF
12. Gate Valve – CLOSED
13. Hose – Reel in and stow hose nozzle.
Water Circulation System
1. Fill water tank with appropriate fluid.
2. Start engine.
3. Cab Control SYSTEM/POWER Switch – ON.
4. PUMP Switch – ON
Do not engage/disengage the water pump
above LOW IDLE. Engaging/disengaging the
water pump above low idle will result in water
pump component damage and reduced
service life.
5. DRAIN Switch – ON. (Opens BFV that allows
water pressure to mix water tank contents)
Once operations are complete:
6. DRAIN Switch – OFF.